/* =========================================================
   Self Coloring Book — Frontend Styles
   ========================================================= */

.scb-wrapper {
	box-sizing: border-box;
	width: 100%;
}

.scb-app {
	display: flex;
	flex-direction: column;
	gap: 0;
	border: 1px solid #d0d0d0;
	border-radius: 6px;
	overflow: hidden;
	background: #fafafa;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
	user-select: none;
	-webkit-user-select: none;
}

/* ----- Toolbar ------------------------------------------ */

.scb-toolbar {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 6px;
	padding: 8px 10px;
	background: #f0f0f0;
	border-bottom: 1px solid #d0d0d0;
}

.scb-group {
	display: flex;
	align-items: center;
	gap: 4px;
}

.scb-group + .scb-group {
	padding-left: 8px;
	border-left: 1px solid #ccc;
}

.scb-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 5px 10px;
	min-width: 34px;
	min-height: 34px;
	background: #fff;
	border: 1px solid #bbb;
	border-radius: 4px;
	cursor: pointer;
	color: #333;
	font-size: 13px;
	line-height: 1;
	transition: background 0.15s, border-color 0.15s;
}

.scb-btn:hover {
	background: #e8e8e8;
	border-color: #999;
}

.scb-btn.active {
	background: #0073aa;
	border-color: #005a87;
	color: #fff;
}

.scb-btn.active svg path {
	fill: #fff;
}

.scb-btn svg {
	pointer-events: none;
}

.scb-upload-label {
	cursor: pointer;
}

.scb-label {
	display: flex;
	align-items: center;
	gap: 6px;
	font-size: 12px;
	color: #555;
}

input[type="range"].scb-brush-size,
input[type="range"].scb-brightness {
	width: 90px;
	cursor: pointer;
}

/* ----- Color Palette ------------------------------------ */

.scb-palette {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 5px;
	padding: 8px 10px;
	background: #fff;
	border-bottom: 1px solid #d0d0d0;
}

.scb-swatch {
	width: 28px;
	height: 28px;
	border: 2px solid #bbb;
	border-radius: 50%;
	cursor: pointer;
	padding: 0;
	transition: transform 0.1s, border-color 0.1s;
}

.scb-swatch:hover {
	transform: scale( 1.15 );
	border-color: #555;
}

.scb-swatch.active {
	border: 3px solid #0073aa;
	transform: scale( 1.15 );
}

.scb-custom-color {
	width: 28px;
	height: 28px;
	border: 2px solid #bbb;
	border-radius: 50%;
	cursor: pointer;
	padding: 0;
	background: none;
	overflow: hidden;
}

/* ----- Canvas Area -------------------------------------- */

.scb-canvas-scroll {
	overflow: auto;
	background: #d5d5d5;
	background-image:
		linear-gradient(45deg, #c8c8c8 25%, transparent 25%),
		linear-gradient(-45deg, #c8c8c8 25%, transparent 25%),
		linear-gradient(45deg, transparent 75%, #c8c8c8 75%),
		linear-gradient(-45deg, transparent 75%, #c8c8c8 75%);
	background-size: 20px 20px;
	background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
	padding: 12px;
	min-height: 200px;
}

.scb-canvas-inner {
	display: inline-block;
	line-height: 0;
	box-shadow: 0 2px 8px rgba(0,0,0,0.25);
	transform-origin: top left;
}

canvas.scb-display {
	display: block;
	max-width: 100%;
	touch-action: none; /* required for pointer events on touch */
}

/* ----- Status bar --------------------------------------- */

.scb-status {
	min-height: 24px;
	padding: 4px 10px;
	font-size: 12px;
	background: #f0f0f0;
	border-top: 1px solid #d0d0d0;
}

.scb-status-text { color: #555; }
.scb-status-error { color: #c00; }

/* ----- Error message ------------------------------------ */

.scb-error {
	padding: 12px;
	color: #c00;
	background: #fff5f5;
	border: 1px solid #fcc;
	border-radius: 4px;
}

/* ----- Gallery ------------------------------------------ */

.scb-gallery {
	display: grid;
	gap: 16px;
}

.scb-cols-1 { grid-template-columns: repeat(1, 1fr); }
.scb-cols-2 { grid-template-columns: repeat(2, 1fr); }
.scb-cols-3 { grid-template-columns: repeat(3, 1fr); }
.scb-cols-4 { grid-template-columns: repeat(4, 1fr); }
.scb-cols-5 { grid-template-columns: repeat(5, 1fr); }
.scb-cols-6 { grid-template-columns: repeat(6, 1fr); }

@media ( max-width: 600px ) {
	.scb-cols-3,
	.scb-cols-4,
	.scb-cols-5,
	.scb-cols-6 {
		grid-template-columns: repeat(2, 1fr);
	}
}

.scb-gallery-item {
	border: 1px solid #ddd;
	border-radius: 6px;
	overflow: hidden;
	background: #fff;
	transition: box-shadow 0.2s;
}

.scb-gallery-item:hover {
	box-shadow: 0 4px 12px rgba(0,0,0,0.12);
}

.scb-gallery-item a {
	display: block;
	text-decoration: none;
	color: inherit;
}

.scb-gallery-item img {
	width: 100%;
	height: 180px;
	object-fit: cover;
	display: block;
}

.scb-gallery-no-thumb {
	width: 100%;
	height: 180px;
	background: #eee;
}

.scb-gallery-title {
	display: block;
	padding: 8px 10px;
	font-size: 14px;
	font-weight: 600;
	color: #333;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.scb-empty {
	color: #888;
	padding: 12px 0;
}

/* ----- Archive / Single page layout --------------------- */

.scb-archive-wrap,
.scb-single-wrap {
	max-width: 1200px;
	margin: 0 auto;
	padding: 24px 16px;
}

.scb-archive-header,
.scb-single-header {
	margin-bottom: 24px;
}

.scb-single-canvas {
	margin-bottom: 24px;
}

.scb-single-footer {
	margin-top: 16px;
	font-size: 13px;
	color: #666;
}

.scb-single-categories a {
	color: #0073aa;
	text-decoration: none;
}

.scb-single-categories a:hover {
	text-decoration: underline;
}